For gathered BLOOMERS only: Apply elastic to wrong side of cloth at elastic line
With right sides together, stitch crotch at seam 23.This is the front half of the crotch. The back half will be sewn later.
Elastic Preparation... With wrong side up, fold hem 24 down ? inch. Pin the folded part in place. Stitch 1/4 inch above hem 24 to form a tunnel, which is called a casing.